The startle reflex occurs when unexpected sounds reach the:

A) thalamus. B) hypothalamus. C) midbrain. D) pons.


Answer: C

Anatomy & Physiology

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Changes in the external and internal environment can produce ________ that are detected by the sensory system.

A. stimuli B. sensations C. adaptations D. receptors E. transducers

Anatomy & Physiology

A weight-lifter strains to lift a heavy weight and there is no movement of the person's arms holding on to the weight. This type of contraction is called a(n) ________ contraction

A) isometric B) tetanus C) isotonic D) treppe E) concentric

Anatomy & Physiology

The "buffy coat" in a centrifuged blood sample is composed of

A. erythrocytes and leukocytes. B. platelets. C. leukocytes. D. platelets and leukocytes. E. erythrocytes.

Anatomy & Physiology

Autonomic _________ are collections of sympathetic postganglionic axons and parasympathetic preganglionic axons, as well as some visceral sensory axons

Fill in the blank with correct word.

Anatomy & Physiology